CN206570680U - A kind of bridge pad friction pair - Google Patents
A kind of bridge pad friction pair Download PDFInfo
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- CN206570680U CN206570680U CN201720034408.XU CN201720034408U CN206570680U CN 206570680 U CN206570680 U CN 206570680U CN 201720034408 U CN201720034408 U CN 201720034408U CN 206570680 U CN206570680 U CN 206570680U
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- hsm
- titanium alloy
- alloy sheet
- friction pair
- wearing plates
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Abstract
A kind of bridge pad friction pair, including titanium alloy sheet（1）With HSM wearing plates（2）, titanium alloy sheet（1）Bottom surface is slip minute surface, described HSM wearing plates（2）Top surface and titanium alloy sheet（1）Bottom surface is slidably connected；HSM wearing plates（2）Using thermoplastic polyester material as matrix material, it is made up of the moulding process that granulation, injection molding is blended, post-processes.HSM wearing plates（2）With titanium alloy sheet（1）Combine to form friction pair, titanium alloy sheet（1）It ensure that any corrosion, HSM wearing plates do not occur in whole life cycle for bridge pad（2）With characteristics such as high-mechanic, heat-resisting quantity and stable coefficient of frictions, therefore this friction pair has high abrasion high corrosion resistance, meets the wear-corrosion resistance requirement high to bridge pad, extends the bulk life time of bearing, meet use demand.
Description
Technical field
The utility model is related to a kind of friction pair, more specifically to a kind of bridge pad friction pair, belongs to bridge
Bearing technical field.
Background technology
Bridge pad is the important component in bridge construction, its critical component formed a connecting link as bridge, its energy
The counter-force of bridge superstructure and deformation (displacement and corner) are reliably delivered to bridge substructure.
Most bridge pads all have friction auxiliary structure, and friction pair is used as the core texture of bridge pad, its function
Predominantly：The whole load in height of support direction can be born, and load is evenly transferred to bearing substructure；Allow relative
Slide to realize support displacement function.
At present, general bridge pad friction pair is made up of stainless steel plate and high molecular abrasion-proof plate.Wherein, high molecular abrasion-proof
Plate material is most commonly seen with polytetrafluoroethylene (PTFE) (PTFE), and stainless steel plate then more uses mirror face stainless steel plate.But, this kind of friction pair
There is following defect：The compression strength of polytetrafluoroethylene (PTFE) (PTFE) material is smaller, and heat resisting temperature is not high, and coefficient of friction is larger, line
Rate of wear is big, and accumulation frictional distance is limited；The decay resistance of mirror face stainless steel plate is limited, in the effect of complex environment weather
Under, it can still corrode, until heavy damage occurs for stainless steel mirror, cause friction pair to fail；This kind of friction pair was being used
Cheng Zhong, is required to by silicone grease lubrication：Uniform pit is distributed with wearable plate, silicone grease is stored in pit, is made for friction pair
With the impurity easily adsorbed on silicone grease in environment, cause to be difficult to sufficient lubrication during friction subtask；Silicone grease uses meeting after one period
Gradually it is lost in, ultimately causes stainless steel plate and occur dry friction with high-abrasive material, and this is that polytetrafluoroethylene (PTFE) (PTFE) this class is resistance to
Grind material not permitted in, bearing can because friction pair failure and caused by it is badly damaged.
The content of the invention
The purpose of this utility model, which is gradually to be lost in for the silicone grease that existing bridge pad friction pair is present, causes branch
Corrosion, which occurs, for the badly damaged, stainless steel plate of seat causes the problems such as friction pair fails there is provided a kind of bridge pad friction pair.
The utility model to achieve the above object, uses technical solution to be：A kind of bridge pad friction pair, bag
Titanium alloy sheet and HSM wearing plates are included, minute surface is is slided in described titanium alloy sheet bottom surface, and the wear-resisting plate top surfaces of described HSM are closed with titanium
Golden plate bottom surface is slidably connected.
Compared with prior art, the beneficial effects of the utility model are：
The utility model includes titanium alloy sheet and HSM wearing plates, and titanium alloy sheet bottom surface is slip minute surface, HSM wearing plates
Top surface is slidably connected with titanium alloy sheet bottom surface；HSM wearing plates combine to form friction pair with titanium alloy sheet.HSM wearing plate pressure resistances
Degree is high, about the 4 of PTFE material times；Can high temperature resistant, can also be worked at a temperature of 120 DEG C；Rubbed with extremely low
Coefficient and line rate of wear are wiped, accumulation frictional distance is up to more than 50km, and frictional behaviour is excellent；Titanium alloy sheet is because of its excellent corrosion resistant
Corrosion energy, ensure that any corrosion does not occur in whole life cycle for bridge pad；Therefore the utility model friction parafacies
There is high abrasion high corrosion resistance compared with conventional friction pair, the wear-corrosion resistance requirement high to bridge pad is met；And
The utility model friction pair life-span is longer, extends the bulk life time of bearing, meets use demand.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the structural representation of embodiment one in the utility model.
Fig. 3 is the structural representation of embodiment two in the utility model.
In figure, titanium alloy sheet 1, HSM wearing plates 2, upper bracket plate I 3, middle support plate 4, rubber blanket 5, bottom basin 6, titanium alloy sheet
I 7, HSM wearing plate I 8, titanium alloy sheet II 9, HSM wearing plates II 10, upper bracket plate II 11, spherical crown 12, lower support plate 13.
Embodiment
The utility model is described in further detail below in conjunction with brief description of the drawings and embodiment.
Referring to Fig. 1, a kind of bridge pad friction pair, including titanium alloy sheet 1 and HSM wearing plates 2, described titanium alloy sheet
1 bottom surface is smooth slip minute surface, and the described top surface of HSM wearing plates 2 is slidably connected with the bottom surface of titanium alloy sheet 1；That is HSM wearing plates 2
Friction pair is combined to form with titanium alloy sheet 1.
Specifically, described HSM wearing plates 2 are using thermoplastic polyester material as matrix material, the wear-resisting of certain deal is added
Modifying agent (PTFE, molybdenum disulfide etc.) and other adjuvants, by the moulding process system that granulation, injection molding, post processing is blended
Into.
Referring to Fig. 1, titanium alloy sheet 1 is in close contact with HSM wearing plates 2 under load effect, and uniform load is transmitted；And
And with HSM wearing plates 2 relative motion occurs while load is born for titanium alloy sheet 1, now, the slip minute surface of titanium alloy sheet 1
Rubbed with HSM wearing plates 2.This titanium alloy sheet 1 has the decay resistance for being much better than stainless steel plate, therefore, it is possible to ensure bridge
Any corrosion does not occur in whole life cycle for beam support, specifically refers to the mirror face stainless steel plate of table 2 and titanium alloy sheet performance
Contrast table；And the reliability and bearing service life of support friction pair are improved, specifically refer to the conventional friction of table 3 pair and this practicality
Novel friction pair performance comparison table.HSM wearing plates 2 are made of abrasion resistance material HSM, and test of many times is proved, HSM wearing plates
2 have the characteristics such as high-mechanic, heat-resisting quantity and stable coefficient of friction, can realize permanently effective under DRY SLIDING
Work, specifically refers to table 1PTFE and HSM performance comparison tables；Compared to traditional wearing plate material, such as polytetrafluoroethylene (PTFE)
(PTFE), the quiet of HSM wearing plates 2, the coefficient of kinetic friction are far below above-mentioned material, therefore the wearability of HSM wearing plates 2 and use
Life-span is much better than traditional high-abrasive material.Therefore, this friction pair has high abrasion high corrosion resistance, meets high to bridge pad
Wear-corrosion resistance requirement, extends the bulk life time of bearing, meets use demand.
Table 1PTFE and HSM performance comparison tables
| Project | Unit | PTFE | HSM |
| Density | g/cm3 | 2.15~2.2 | 1.44 |
| Tensile strength | MPa | ≥30 | ≥58 |
| Compression strength | MPa | 60 | 220 |
| Elongation at break | % | ≥300 | ≥10 |
| Heat resisting temperature | ℃ | 60 | 120 |
| Confficient of static friction (normal temperature lubrication) | - | 0.05 | 0.017 |
| The coefficient of kinetic friction (normal temperature lubrication) | - | 0.03 | 0.006 |
| Accumulation lubrication friction distance | km | ≤10 | ≥50 |
| Lubricating wire rate of wear | μm/km | ≤15 | ≤5 |
| The materials'use life-span | Year | ≤60 | ≥100 |
The mirror face stainless steel plate of table 2 and titanium alloy sheet performance comparison table
The conventional friction of table 3 pair and the utility model friction pair performance comparison table
This bridge pad can be applied to different types of rridges bearing with friction pair, and it is mainly used in cited bearing kind
Class, specifically refers to table 4 below：
The bearing type table that the utility model of table 4 is mainly applied
Concrete application, refers to the following examples one and embodiment two：
Embodiment one, referring to Fig. 2, application of this friction pair in basin type support for bridges, the wherein upper surface of titanium alloy sheet 1 with
The bottom surface of upper bracket plate 3 is closely connected and welds together, and HSM wearing plates 2 are rounded and embed in the top surface circular groove of middle support plate 4,
HSM wearing plates 2 expose circular groove about 3mm, and its upper surface is combined composition friction pair with titanium alloy sheet 1, can bear bearing load
And uniform load is delivered in the seat structures such as middle support plate 4, rubber blanket 5 and bottom basin 6, while titanium alloy sheet 1 is with upper bracket
Plate I 3 follows bridge to produce displacement together, and titanium alloy sheet 1 produces relative motion with fixed HSM wearing plates 2 and rubbed
Wipe.
Embodiment two, referring to Fig. 3, this friction pair is in the application in bridge spherical steel support, the He of titanium alloy sheet 1 herein
HSM wearing plates 2 include titanium alloy sheet I 7 and HSM wearing plates I 8, titanium alloy sheet II 9 and HSM wearing plates II 10, two pairs of friction pairs.
Wherein the upper surface of titanium alloy sheet I 7 and the baseplane of upper bracket plate II 11 are closely connected and weld together, the titanium alloy sheet II 9 it is recessed
Sphere and the bottom surface of spherical crown 12 are closely connected and weld together；The HSM wearing plates I 8 it is rounded and embed spherical crown 12 top surface circle
In groove, the HSM wearing plates II 10 are spherical and embed in the top surface rounded channels of lower support plate 13, HSM wearing plates I 8 and HSM
Wearing plate II 10 is exposed independent from circular groove or rounded channels about 3mm, and its upper surface is combined respectively with titanium alloy sheet I 7 and titanium alloy sheet II 9
Constitute two pairs of friction pairs.The above two can bear bearing load to friction pair and uniform load is delivered into spherical crown 12 and lower branch
In the grade seat structure of seat board 13, while titanium alloy sheet I 7 follows bridge to produce displacement, titanium alloy sheet I with upper bracket plate II 11
7 produce relative motion with fixed HSM wearing plates I 8 and rub.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art
For personnel, without departing from the concept of the premise utility, some simple deduction or replace, said structure can also be made
Protection domain of the present utility model should be all considered as belonging to.
Claims (1)
1. a kind of bridge pad friction pair, it is characterised in that：Including titanium alloy sheet（1）With HSM wearing plates（2）, described titanium
Alloy sheets（1）Bottom surface is slip minute surface, described HSM wearing plates（2）Top surface and titanium alloy sheet（1）Bottom surface is slidably connected.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016206704205 | 2016-06-29 | ||
| CN201620670420 | 2016-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206570680U true CN206570680U (en) | 2017-10-20 |
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ID=60060216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720034408.XU Expired - Fee Related CN206570680U (en) | 2016-06-29 | 2017-01-11 | A kind of bridge pad friction pair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206570680U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999078A (en) * | 2018-07-23 | 2018-12-14 | 株洲时代新材料科技股份有限公司 | A kind of bridge pad |
-
2017
- 2017-01-11 CN CN201720034408.XU patent/CN206570680U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999078A (en) * | 2018-07-23 | 2018-12-14 | 株洲时代新材料科技股份有限公司 | A kind of bridge pad |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171020 Termination date: 20220111 |